January 2018
Intermediate to advanced
336 pages
7h 22m
English
Content preview from Node.js 8 the Right WayBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Creating HTTP APIs with Node-RED
Now that you have the basics of working with Node-RED down, let’s use Node-RED to create an HTTP service. This showcases the power of Node-RED to facilitate creating server-side APIs visually.
We’ll start simple, with a basic Hello World web service, then upgrade it to query Elasticsearch, much like the Express-based web services you developed in Chapter 7, Developing RESTful Web Services.
Establishing an HTTP Endpoint
To start with, let’s bring up a new flow. In the upper-right corner of the workspace you’ll find a plus (+) button. Click this to create a new tab for your next flow.
In the top-right corner of the screen is a button to open the main menu. Under View, if you check the Show Grid option, Node-RED ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.